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https://www.readbyqxmd.com/read/27936202/new-altered-non-fibrillar-collagens-in-human-dilated-cardiomyopathy-role-in-the-remodeling-process
#1
Carolina Gil-Cayuela, Esther Roselló-LLetí, Ana Ortega, Estefanía Tarazón, Juan Carlos Triviño, Luis Martínez-Dolz, José Ramón González-Juanatey, Francisca Lago, Manuel Portolés, Miguel Rivera
BACKGROUND: In dilated cardiomyopathy (DCM), cardiac failure is accompanied by profound alterations of extracellular matrix associated with the progression of cardiac dilation and left ventricular (LV) dysfunction. Recently, we reported alterations of non-fibrillar collagen expression in ischemic cardiomyopathy linked to fibrosis and cardiac remodeling. We suspect that expression changes in genes coding for non-fibrillar collagens may have a potential role in DCM development. OBJECTIVES: This study sought to analyze changes in the expression profile of non-fibrillar collagen genes in patients with DCM and to examine relationships between cardiac remodeling parameters and the expression levels of these genes...
2016: PloS One
https://www.readbyqxmd.com/read/27935648/cardiac-allograft-vasculopathy-after-heart-transplantation-is-it-really-ominous
#2
Ju Yong Lim, Sung Ho Jung, Min Seok Kim, Jeong-Jun Park, Tae-Jin Yun, Jae Joong Kim, Jae Won Lee
OBJECTIVES: Cardiac allograft vasculopathy (CAV) remains a major impediment to long-term survival after heart transplantation (HT). We investigated the incidence, disease course, and risk factors for CAV. METHODS: Among 399 patients who underwent HT between November 1992 and July 2014, 297 survivors were reviewed. Endpoints were CAV development and the composite outcome of death or re-HT. RESULTS: During 5.6±5.2 years, CAV was detected in 54 patients; 45 (83...
December 9, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27935215/donors-with-immune-thrombocytopenia-do-they-pose-a-risk-to-transplant-recipients
#3
P B Trotter, M Robb, D Summers, C J E Watson, M Clatworthy, J A Bradley, Q A Hill, J Neuberger
Transplant-mediated alloimmune thrombocytopenia (TMAT) from donors with immune thrombocytopenia (ITP) can result in significant bleeding complications in the recipient. The risk to a recipient of TMAT if they receive an organ from a donor with ITP is unknown. The outcomes of recipients of organs from deceased donors with ITP recorded in the UK Transplant Registry between 2000 and 2015 were reviewed. Twenty-one deceased organ donors had a predonation diagnosis of ITP. These donors were significantly more likely to have died from intracranial hemorrhage than were all other deceased organ donors (85% vs...
November 7, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27933693/heart-transplantation-in-children-with-intellectual-disability-an-analysis-of-the-unos-database
#4
Alexander N Goel, Amit Iyengar, Kenneth Schowengerdt, Andrew C Fiore, Charles B Huddleston
Heart transplantation in children with intellectual disability (ID) is an issue of debate due to the shortage of available donor organs. We sought to perform the first large-scale retrospective cohort study describing the prevalence and outcomes of heart transplantation in this population. The United Network of Organ Sharing database was queried from 2008 to 2015 for pediatric patients (age <19 years) receiving first, isolated heart transplant. Recipients were divided into three subgroups: definite ID, probable ID, and no ID...
December 9, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27932426/extracorporeal-membrane-oxygenation-for-hemodynamic-support-of-ventricular-tachycardia-ablation
#5
Francesca Baratto, Federico Pappalardo, Teresa Oloriz, Caterina Bisceglia, Pasquale Vergara, John Silberbauer, Nicolò Albanese, Manuela Cireddu, Giuseppe D'Angelo, Ambra Licia Di Prima, Fabrizio Monaco, Gabriele Paglino, Andrea Radinovic, Damiano Regazzoli, Simona Silvetti, Nicola Trevisi, Alberto Zangrillo, Paolo Della Bella
BACKGROUND: We report the experience in a cohort of consecutive patients receiving extracorporeal membrane oxygenation during catheter ablation of unstable ventricular tachycardia (VT) at our center. METHODS AND RESULTS: From 2010 to 2015, extracorporeal membrane oxygenation was initiated in 64 patients (average age: 63±15 years; left ventricular ejection fraction in 27±9%; cardiogenic shock in 23%, and electrical storm in 62% of patients) undergoing 74 unstable VT catheter ablation procedures...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27932181/use-of-terlipressin-in-an-elderly-patient-with-moderate-aortic-valve-stenosis-accompanied-by-episodic-atrial-fibrillation-during-liver-transplantation-a-case-report
#6
Y J Won, B G Lim, D Chung, E Park, H Kim, I O Lee, M H Kong
Anesthesia for patients with moderate aortic stenosis accompanied by atrial fibrillation during high-risk surgery such as liver transplantation remains a challenge in maintaining control of heart rate and maintenance of cardiac output. The action of terlipressin on vasopressin receptors (mainly V1 receptors) leads to splanchnic vasoconstriction and is the key mechanism responsible for increasing systemic vascular resistance and reducing heart rate. We report successful anesthetic management using low-dose terlipressin infusion in an elderly patient who had moderate aortic stenosis with atrial fibrillation during urgent deceased-donor liver transplantation...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932153/a-heartbreaking-renal-transplantation-is-norepinephrine-the-culprit-to-blame
#7
M G Vailas, S Vernadakis, K Kakavia, I Paizis, J Bokos, J Boletis, G Zavos
INTRODUCTION: Takotsubo cardiomyopathy (TCM), also known as "broken heart syndrome," "apical ballooning syndrome," and "stress-induced cardiomyopathy," was first described in Japanese patients in 1990 by Sato et al. TCM is an increasingly recognized syndrome characterized by transient and reversible systolic dysfunction of the apical and middle segments of the left ventricle. This syndrome resembles acute myocardial infarction in the absence of evident coronary artery occlusion. Herein, we present a case of a 51-year-old male who underwent his second deceased-donor renal transplantation for end-stage-renal-disease due to a work-related accident...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932148/low-dose-spinal-block-with-continuous-epidural-infusion-for-renal-transplantation-in-a-patient-with-alport-syndrome-a-case-report
#8
F Gobbi, G Sales, P Bretto, P P Donadio, L Brazzi
OBJECTIVE: We aim to describe management of a patient receiving renal transplantation for chronic renal failure due to Alport syndrome with low dose of intrathecal bupivacaine and continuous epidural infusion of local anesthetic. CASE REPORT: A 38-years-old man with chronic renal failure secondary to Alport syndrome underwent kidney transplantation. Because of a high risk of respiratory and cardiovascular complications related to the patient's baseline lung disease and abnormalities in heart conduction, we selected combined spinal-epidural anesthesia...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932139/de-novo-anti-hla-antibodies-after-heart-transplantation-are-associated-with-adverse-events-in-the-long-term-follow-up-of-cardiac-transplant-recipients
#9
E Solé-González, S Mirabet, V Brossa, L López-López, M Rivas-Lasarte, H Capellades-Olivella, A J Ginel-Iglesias, J Martorell-Pons, E Roig
BACKGROUND AND OBJECTIVES: Long-term morbidity and mortality after heart transplantation (HTx) remain very high. Several reports have suggested that anti-HLA antibodies (anti-HLA-AB) detected after HTx might be associated with poor survival, but the implication of isolated anti-HLA-AB is still under debate. The aim of the study was to analyze the incidence of de novo anti-HLA-AB and whether they are associated with adverse events after HTx. METHODS: This retrospective study analyzed the presence of anti-HLA-AB assessed by fluorimetry (Luminex) and quantified by a single-antigen bead assay in 119 HTx patients...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932138/potential-immunomodulatory-role-of-specific-anticytomegalovirus-intravenous-immunoglobulin-in-heart-recipients
#10
J Carbone, A Gallego, J Fernandez Yañez, I Sousa, E Sarmiento
BACKGROUND: Specific anticytomegalovirus (anti-CMV) intravenous immunoglobulin (IVIG) has the potential to influence the immune response, but its complex mode of action has not been well evaluated. METHODS: An immunologic study of 6 CMV-seronegative heart transplant patients receiving anti-CMV prophylaxis with the use of ganciclovir and CMV-IVIG (150 mg/kg within 24 hours after transplantation and 100 mg/kg on days 2, 7, 14, 22, 35, 56, and 77 after transplantation) was performed in a single center...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932137/quality-of-life-according-to-urgency-status-in-de-novo-heart-transplant-recipients
#11
B Díaz-Molina, J L Lambert, F G Vílchez, F Cadenas, M J Bernardo, E Velasco, M Martín, C Morís
INTRODUCTION: Elective heart transplantation (HTX) aims to improve physical ability, increase survival, and improve health-related quality of life (HRQoL) in patients with chronic heart failure. Nevertheless, most patients who undergo urgent HTX are previously healthy, and a transplant could be perceived as a limitation. The aim of this study is to compare HRQoL between elective and urgent heart transplant recipients. METHODS: Cohort study including patients undergoing heart transplantation between January 1998 and March 2012 in a single center...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932136/prognostic-value-of-high-sensitivity-troponin-t-to-identify-patients-at-risk-of-left-ventricular-graft-dysfunction-after-heart-transplantation
#12
A B Méndez, J Ordonez-Llanos, S Mirabet, J Galan, M L Maestre, V Brossa, M T Rivilla, L López, T Koller, A Sionis, E Roig
Primary graft dysfunction after heart transplantation (HTx) has a very high mortality rate, especially if the left ventricle (PGD-LV) is involved. Early diagnosis is important to select the appropriate therapy to improve prognosis. The value of high-sensitivity troponin T (HS-TNT) measurement obtained at patient arrival at the intensive care unit was analyzed in 71 HTx patients. Mild or moderate PGD-LV was defined by hemodynamic compromise with one of the following criteria: left ventricular ejection fraction <40%, hemodynamic compromise with right atrial pressure >15 mm Hg, pulmonary capillary wedge pressure >20 mm Hg, cardiac index <2...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932094/non-heart-beating-donor-kidney-transplantation-survival-is-similar-to-donation-after-brain-death-comparative-study-with-controls-in-a-regional-program
#13
M A Gentil, P Castro de la Nuez, C Gonzalez-Corvillo, M C de Gracia, M Cabello, M A Mazuecos, A Rodriguez-Benot, L Ballesteros, A Osuna, M Alonso
Non-heart-beating donors (NHBD) are an increasing source of organs for kidney transplantation (KT) compared with donation after brain death (DBD), but the results in each regional transplantation program require local analysis. We compared 164 KT from NHBD (83 Maastrich type II A-B [T2] and 81 type III [T3]) with 328 DBD controls. NHBD kidneys were implanted with less cold ischemia, mean time on renal replacement therapy for NHBD recipients before transplantation was less too, and a higher proportion of thymoglobulin was also used...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931587/do-prior-driveline-infections-increase-the-risk-of-infection-in-heart-transplant-patients-treated-with-rabbit-antithymocyte-globulin-induction-therapy
#14
D Arman, D Kuraitis, J Moriguchi, M Hamilton, F Liou, S Siddiqui, M Luu, P Zakowski, F Arabia, J Kobashigawa
BACKGROUND: The use of mechanical circulatory support devices (MCSDs) has been increasing over the past several years. Driveline infections (DLIs) are one of the most common complications seen in these patients; reportedly, up to 50% of patients with MCSDs can develop this complication. It is believed that the removal of the driveline results in treatment of the localized infection area. MCSD patients are also known to develop circulating antibodies. These circulating antibodies have been associated with poor outcomes after heart transplantation...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931586/observational-study-of-methotrexate-in-the-treatment-of-bronchiolitis-obliterans-syndrome
#15
S Sithamparanathan, L Thirugnanasothy, K E Morley, A J Fisher, J L Lordan, G Meachery, G Parry, P A Corris
BACKGROUND: Methotrexate (MTX) is potential change in immunosuppression after lung transplantation that may help to slow down the decline in lung function in bronchiolitis obliterans syndrome (BOS). METHODS: We sought to analyze the safety and efficacy of MTX in patients with BOS, by retrospective case review. RESULTS: Thirty lung allograft patients were treated with MTX for BOS after one bilateral lower lobe, nine single, 16 bilateral, and four heart-lung transplants...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931092/the-influence-of-race-and-common-genetic-variations-on-outcomes-after-pediatric-heart-transplantation
#16
D J Green, M M Brooks, G J Burckart, R E Chinnock, C Canter, L J Addonizio, D Bernstein, J K Kirklin, D C Naftel, D M Girnita, A Zeevi, S A Webber
Significant racial disparity remains in the incidence of unfavorable outcomes following heart transplantation. We sought to determine which pediatric post-transplantation outcomes differ by race and whether these can be explained by recipient demographic, clinical, and genetic attributes. Data were collected for 80 black and 450 non-black pediatric recipients transplanted at 1 of 6 centers between 1993 and 2008. Genotyping was performed for 20 candidate genes. Average follow-up was 6.25 years. Unadjusted five-year rates for death (p=0...
December 8, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27927755/characteristics-and-outcomes-of-patients-with-myocarditis-listed-for-heart-transplantation
#17
Chantal A ElAmm, Sadeer G Al-Kindi, Guilherme H Oliveira
BACKGROUND: Myocarditis can cause dilated cardiomyopathy resulting in end-stage heart failure requiring advanced therapies. There is little contemporary information on the clinical progression, need for mechanical circulatory support, and outcomes of orthotopic heart transplantation of these patients. METHODS AND RESULTS: We queried the UNOS database (United Network for Organ Sharing) for all adults listed for orthotopic heart transplantation (2000-2015) with a listed diagnosis of myocarditis...
December 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/27925367/transient-severe-tricuspid-regurgitation-after-transplantation-of-an-extremely-oversized-donor-heart-in-a-child-does-size-matter-a-case-report
#18
J Birnbaum, S M Ulrich, R Schramm, C Hagl, A Lehner, M Fischer, N A Haas, B Heineking
In pediatric heart transplantation, the size of the donor organ is an important criterion for organ allocation. Oversized donor hearts are often accepted with good results, but some complications in relation to a high donor-recipient ratio have been described. Our patient was transplanted for progressive heart failure in dilated cardiomyopathy. The donor-to-recipient weight ratio was 3 (donor weight 65 kg, recipient weight 22 kg). The intra-operative echocardiography before chest closure showed excellent cardiac function, no tricuspid valve regurgitation, and a normal central venous pressure...
December 7, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27923805/prognostic-impact-of-the-timing-of-recurrence-of-infarct-related-ventricular-tachycardia-after-catheter-ablation
#19
Konstantinos C Siontis, Hyungjin Myra Kim, William G Stevenson, Akira Fujii, Paolo Della Bella, Pasquale Vergara, Kalyanam Shivkumar, Roderick Tung, Duc H Do, Emile G Daoud, Toshimasa Okabe, Katja Zeppenfeld, Marta de Riva Silva, Gerhard Hindricks, Arash Arya, Alexander Weber, Karl-Heinz Kuck, Andreas Metzner, Shibu Mathew, Johannes Riedl, Miki Yokokawa, Krit Jongnarangsin, Rakesh Latchamsetty, Fred Morady, Frank M Bogun
BACKGROUND: Recurrence of ventricular tachycardia (VT) after ablation in patients with previous myocardial infarction is associated with adverse prognosis. However, the impact of the timing of VT recurrence on outcomes is unclear. METHODS AND RESULTS: We analyzed data from a multicenter collaborative database of patients who underwent catheter ablation for infarct-related VT. Multivariable Cox regression analyses investigated the effect of the timing of VT recurrence on the composite outcome of death or heart transplantation using VT recurrence as a time-varying covariate...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27922813/transcatheter-tricuspid-repair-with-mitraclip-for-severe-primary-tricuspid-regurgitation
#20
Neil P Fam, Kim A Connelly, Christoph Hammerstingl, Geraldine Ong, Anthony W A Wassef, Heather J Ross, Subodh Verma
Severe tricuspid regurgitation is an independent predictor of adverse outcomes, yet few patients undergo surgery and treatment with medical therapy is often inadequate. Recent studies have reported the use of the MitraClip system (Abbott Vascular) to treat secondary tricuspid regurgitation. We describe the first use of MitraClip to treat severe primary tricuspid regurgitation and right heart failure in a patient with previous cardiac transplantation and high surgical risk.
December 2016: Journal of Invasive Cardiology
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